# include <iostream>
#include <math.h>
using namespace std;
int main (){
	int x1;
		int y1;
		int x2;
		int y2;
		//double pow(double,int);
		//double sqrt (double);
		
		cout <<"Please enter coordinate numbers x1"; 
			cin >> x1;
		system("pause"); 
		
		cout <<"Enter y1";
			cin >> y1;
		system("pause");

		cout <<"Enter x2";
			cin >> x2;
		system("pause");

		cout <<"Enter y2";
			cin >> y2;
		system("pause");

		double distance1 = sqrt(pow((float)x2-x1, 2) + pow((float)y2-y1, 2));

		cout <<" 1st distance is" <<distance1 <<endl;
		system("pause");	
		return 0;
}

